JPWO2019159737A5

JPWO2019159737A5 -

Info

Publication number: JPWO2019159737A5
Application number: JP2020500400A
Authority: JP
Filing date: 2019-02-04
Publication date: 2022-02-15
Anticipated expiration: 2039-02-04

Description

上記目的を達成するために、本発明のレーザ溶接方法は、コアの端面から突出したコイルセグメントの先端部のうち該コアの径方向で対向する先端部同士を、該先端部の矩形状の先端面の前記コアの軸方向における高さを略同じにして前記コアの径方向で突き合わせた状態で前記各先端面にレーザ光を照射して溶接するレーザ溶接方法を、以下のように構成したものである。
すなわち、前記各先端面に対して垂直に、前記レーザ光を、前記各先端面間の境界に対して対称でかつ前記各先端面間の境界を横切りながら移動する照射パターンで照射し、前記境界を横切るときは前記レーザ光の照射をオフする。 In order to achieve the above object, in the laser welding method of the present invention, among the tip portions of the coil segments protruding from the end face of the core, the tip portions facing each other in the radial direction of the core are made to have a rectangular tip portion of the tip portion. A laser welding method in which each tip surface is irradiated with laser light and welded in a state where the heights of the surfaces in the axial direction of the core are substantially the same and the surfaces are butted in the radial direction of the core is configured as follows. Is.
That is, the laser beam is irradiated perpendicularly to each of the tip surfaces in an irradiation pattern that is symmetrical with respect to the boundary between the tip surfaces and moves across the boundary between the tip surfaces. When crossing, the irradiation of the laser beam is turned off.

あるいは、前記各先端面に対し、前記レーザ光を、前記各先端面間の境界に対して対称となる照射パターンで照射し、前記照射パターンが、前記各先端面を合わせた一つの平面の外周近傍を連続的に又は断続的に一周する第１パターンと、前記第１パターンの照射の後で、該第１パターンの内側を連続的に又は断続的に一周する第２パターンとを含む。 Alternatively, the laser beam is applied to each of the tip surfaces in an irradiation pattern that is symmetrical with respect to the boundary between the tip surfaces, and the irradiation pattern is the outer periphery of one plane in which the tip surfaces are combined. It includes a first pattern that goes around the vicinity continuously or intermittently, and a second pattern that goes around the inside of the first pattern continuously or intermittently after irradiation of the first pattern .

あるいはまた、前記各先端面に対し、前記レーザ光を、前記各先端面間の境界に対して対称となる照射パターンで照射し、前記照射パターンが、前記各先端面を合わせた一つの平面の対角線に沿った連続的な又は断続的なパターンを含む。 Alternatively, the laser beam is applied to each of the tip surfaces in an irradiation pattern that is symmetrical with respect to the boundary between the tip surfaces, and the irradiation pattern is a plane in which the tip surfaces are combined. Includes continuous or intermittent patterns along the diagonal.

また、本発明のレーザ溶接システムは、コアの端面から突出したコイルセグメントの先端部のうち該コアの径方向で対向する先端部同士を、該各先端部の矩形状の先端面の前記コアの軸方向における高さを略同じにして前記コアの径方向で突き合わせた状態で前記各先端面にレーザ光を照射して溶接するレーザ溶接システムであって、レーザ光を照射するレーザ光照射装置と、前記レーザ光が、前記各先端面間の境界に対して対称となる照射パターンで前記各先端面を照射するように前記レーザ光照射装置を制御する制御装置とを有しているものを、さらに以下のように構成したものである。 Further, in the laser welding system of the present invention, among the tip portions of the coil segments protruding from the end faces of the core, the tip portions facing each other in the radial direction of the core are placed on the core having a rectangular tip surface of each tip portion. A laser welding system that irradiates and welds each tip surface with laser light in a state where the heights in the axial direction are substantially the same and the cores are butted in the radial direction. The laser beam having a control device for controlling the laser beam irradiation device so as to irradiate each tip surface with an irradiation pattern symmetrical with respect to the boundary between the tip surfaces . Furthermore, it is configured as follows .

すなわち、前記制御装置は、前記各先端面に対して前記レーザ光が垂直に照射されて前記先端面間の境界を横切りながら移動するように、且つ前記レーザ光が前記境界を横切るときは前記レーザ光の照射をオフするように前記レーザ光照射装置を制御する。 That is, the control device is such that the laser light is vertically irradiated to each of the tip surfaces and moves while crossing the boundary between the tip surfaces, and when the laser light crosses the boundary, the laser is used. The laser light irradiation device is controlled so as to turn off the light irradiation.

あるいは、溶接条件を入力する入力装置と、前記先端面の面積を含む溶接条件と、前記レーザ光の出力及び／又は移動速度との関係が予め求められた参照テーブルとを有し、前記制御装置は、前記入力装置により入力された前記溶接条件に基づいて前記参照テーブルから対応する前記レーザ光の出力及び／又は移動速度を選択して前記レーザ光照射装置を制御する。 Alternatively , the control device has an input device for inputting welding conditions, a reference table for which the relationship between the welding conditions including the area of the tip surface and the output and / or moving speed of the laser beam is obtained in advance. Controls the laser beam irradiation device by selecting the output and / or moving speed of the corresponding laser beam from the reference table based on the welding conditions input by the input device.

Claims

コアの端面から突出したコイルセグメントの先端部のうち該コアの径方向で対向する先端部同士を、該各先端部の矩形状の先端面の前記コアの軸方向における高さを略同じにして前記コアの径方向で突き合わせた状態で前記各先端面にレーザ光を照射して溶接するレーザ溶接方法であって、
前記各先端面に対して垂直に、前記レーザ光を、前記各先端面間の境界に対して対称でかつ前記各先端面間の境界を横切りながら移動する照射パターンで照射し、前記境界を横切るときは前記レーザ光の照射をオフすることを特徴とするレーザ溶接方法。 Of the tips of the coil segments protruding from the end faces of the core, the tips facing each other in the radial direction of the core have substantially the same height in the axial direction of the rectangular tip faces of the tips. It is a laser welding method in which each tip surface is irradiated with a laser beam and welded in a state of being butted in the radial direction of the core.
The laser beam is irradiated perpendicularly to each of the tip surfaces in an irradiation pattern that is symmetrical with respect to the boundary between the tip surfaces and moves across the boundary between the tip surfaces, and crosses the boundary. A laser welding method, characterized in that the irradiation of the laser beam is turned off .

コアの端面から突出したコイルセグメントの先端部のうち該コアの径方向で対向する先端部同士を、該各先端部の矩形状の先端面の前記コアの軸方向における高さを略同じにして前記コアの径方向で突き合わせた状態で前記各先端面にレーザ光を照射して溶接するレーザ溶接方法であって、
前記各先端面に対し、前記レーザ光を、前記各先端面間の境界に対して対称となる照射パターンで照射し、
前記照射パターンが、前記各先端面を合わせた一つの平面の外周近傍を連続的に又は断続的に一周する第１パターンと、前記第１パターンの照射の後で、該第１パターンの内側を連続的に又は断続的に一周する第２パターンとを含むことを特徴とするレーザ溶接方法。 Of the tips of the coil segments protruding from the end faces of the core, the tips facing each other in the radial direction of the core have substantially the same height in the axial direction of the rectangular tip face of each tip. It is a laser welding method in which each tip surface is irradiated with a laser beam and welded in a state of being butted in the radial direction of the core.
The laser beam is applied to each of the tip surfaces in an irradiation pattern that is symmetrical with respect to the boundary between the tip surfaces.
The irradiation pattern is a first pattern in which the vicinity of the outer periphery of one plane in which the front end surfaces are combined continuously or intermittently goes around , and after irradiation of the first pattern, the inside of the first pattern is formed. A laser welding method comprising a second pattern that goes around continuously or intermittently.

コアの端面から突出したコイルセグメントの先端部のうち該コアの径方向で対向する先端部同士を、該各先端部の矩形状の先端面の前記コアの軸方向における高さを略同じにして前記コアの径方向で突き合わせた状態で前記各先端面にレーザ光を照射して溶接するレーザ溶接方法であって、
前記各先端面に対し、前記レーザ光を、前記各先端面間の境界に対して対称となる照射パターンで照射し、
前記照射パターンが、前記各先端面を合わせた一つの平面の対角線に沿った連続的又は断続的なパターンを含むことを特徴とするレーザ溶接方法。 Of the tips of the coil segments protruding from the end faces of the core, the tips facing each other in the radial direction of the core have substantially the same height in the axial direction of the rectangular tip face of each tip. It is a laser welding method in which each tip surface is irradiated with a laser beam and welded in a state of being butted in the radial direction of the core.
The laser beam is applied to each of the tip surfaces in an irradiation pattern that is symmetrical with respect to the boundary between the tip surfaces.
A laser welding method, characterized in that the irradiation pattern includes a continuous or intermittent pattern along the diagonal line of one plane in which the respective tip surfaces are combined.

コアの端面から突出したコイルセグメントの先端部のうち該コアの径方向で対向する先端部同士を、該各先端部の矩形状の先端面の前記コアの軸方向における高さを略同じにして前記コアの径方向で突き合わせた状態で前記各先端面にレーザ光を照射して溶接するレーザ溶接システムであって、
レーザ光を照射するレーザ光照射装置と、前記レーザ光が、前記各先端面間の境界に対して対称となる照射パターンで前記各先端面を照射するように前記レーザ光照射装置を制御する制御装置とを有し、
前記制御装置は、前記各先端面に対して前記レーザ光が垂直に照射されて前記先端面間の境界を横切りながら移動するように、且つ前記レーザ光が前記境界を横切るときは前記レーザ光の照射をオフするように前記レーザ光照射装置を制御することを特徴とするレーザ溶接システム。 Of the tips of the coil segments protruding from the end faces of the core, the tips facing each other in the radial direction of the core have substantially the same height in the axial direction of the rectangular tip faces of the tips. It is a laser welding system that irradiates and welds each tip surface with a laser beam in a state where the cores are butted in the radial direction.
A control that controls the laser light irradiating device that irradiates the laser beam and the laser light irradiating device so that the laser light irradiates each tip surface with an irradiation pattern that is symmetric with respect to the boundary between the tip faces. Has equipment and
The control device is such that the laser beam is vertically irradiated to each of the tip surfaces and moves while crossing the boundary between the tip surfaces, and when the laser light crosses the boundary, the laser light is used. A laser welding system characterized in that the laser light irradiation device is controlled so as to turn off the irradiation .

コアの端面から突出したコイルセグメントの先端部のうち該コアの径方向で対向する先端部同士を、該各先端部の矩形状の先端面の前記コアの軸方向における高さを略同じにして前記コアの径方向で突き合わせた状態で前記各先端面にレーザ光を照射して溶接するレーザ溶接システムであって、
レーザ光を照射するレーザ光照射装置と、前記レーザ光が、前記各先端面間の境界に対して対称となる照射パターンで前記各先端面を照射するように前記レーザ光照射装置を制御する制御装置とを有し、
溶接条件を入力する入力装置と、
前記先端面の面積を含む溶接条件と、前記レーザ光の出力及び／又は移動速度との関係が予め求められた参照テーブルと、
を有し、
前記制御装置は、前記入力装置により入力された前記溶接条件に基づいて前記参照テーブルから対応する前記レーザ光の出力及び／又は移動速度を選択して前記レーザ光照射装置を制御することを特徴とするレーザ溶接システム。 Of the tips of the coil segments protruding from the end faces of the core, the tips facing each other in the radial direction of the core have substantially the same height in the axial direction of the rectangular tip faces of the tips. It is a laser welding system that irradiates and welds each tip surface with a laser beam in a state where the cores are butted in the radial direction.
A control that controls the laser light irradiating device that irradiates the laser beam and the laser light irradiating device so that the laser light irradiates each tip surface with an irradiation pattern that is symmetric with respect to the boundary between the tip faces. Has equipment and
An input device for inputting welding conditions and
A reference table in which the relationship between the welding conditions including the area of the tip surface and the output and / or moving speed of the laser beam is obtained in advance.
Have,
The control device is characterized in that the laser light irradiation device is controlled by selecting the output and / or moving speed of the corresponding laser light from the reference table based on the welding conditions input by the input device. Laser welding system.